./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-63.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e08b130d986262ceb0772f034a60f5b23796cc6f800ada70e6af5834a62fdc07 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:06:16,410 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:06:16,504 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:06:16,515 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:06:16,519 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:06:16,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:06:16,570 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:06:16,572 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:06:16,573 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:06:16,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:06:16,573 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:06:16,573 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:06:16,573 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:06:16,574 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:06:16,575 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:06:16,575 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:06:16,576 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:06:16,576 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:06:16,576 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:06:16,576 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:06:16,576 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:06:16,577 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:06:16,577 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:06:16,577 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:06:16,577 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:06:16,578 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:06:16,579 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:06:16,579 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:06:16,579 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:06:16,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:06:16,579 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:06:16,579 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:06:16,579 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:06:16,580 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:06:16,580 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:06:16,580 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:06:16,580 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:06:16,580 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:06:16,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:06:16,582 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:06:16,582 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:06:16,582 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:06:16,582 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:06:16,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:06:16,583 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:06:16,583 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:06:16,583 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:06:16,583 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e08b130d986262ceb0772f034a60f5b23796cc6f800ada70e6af5834a62fdc07 [2024-11-14 05:06:16,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:06:16,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:06:16,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:06:16,996 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:06:16,997 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:06:17,000 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-63.i Unable to find full path for "g++" [2024-11-14 05:06:19,341 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:06:19,647 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:06:19,648 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-63.i [2024-11-14 05:06:19,664 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/data/8a8d4b0d6/059e91e1c8e6413cb679023579cb7c6d/FLAGd8cd09e48 [2024-11-14 05:06:19,685 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/data/8a8d4b0d6/059e91e1c8e6413cb679023579cb7c6d [2024-11-14 05:06:19,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:06:19,690 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:06:19,692 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:06:19,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:06:19,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:06:19,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:06:19" (1/1) ... [2024-11-14 05:06:19,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51ad8c92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:19, skipping insertion in model container [2024-11-14 05:06:19,701 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:06:19" (1/1) ... [2024-11-14 05:06:19,728 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:06:19,952 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-63.i[916,929] [2024-11-14 05:06:20,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:06:20,133 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:06:20,146 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-63.i[916,929] [2024-11-14 05:06:20,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:06:20,231 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:06:20,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:20 WrapperNode [2024-11-14 05:06:20,233 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:06:20,235 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:06:20,235 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:06:20,236 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:06:20,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:20" (1/1) ... [2024-11-14 05:06:20,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:20" (1/1) ... [2024-11-14 05:06:20,350 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 211 [2024-11-14 05:06:20,350 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:06:20,351 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:06:20,351 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:06:20,351 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:06:20,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:20" (1/1) ... [2024-11-14 05:06:20,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:20" (1/1) ... [2024-11-14 05:06:20,366 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:20" (1/1) ... [2024-11-14 05:06:20,367 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:20" (1/1) ... [2024-11-14 05:06:20,385 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:20" (1/1) ... [2024-11-14 05:06:20,390 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:20" (1/1) ... [2024-11-14 05:06:20,394 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:20" (1/1) ... [2024-11-14 05:06:20,397 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:20" (1/1) ... [2024-11-14 05:06:20,405 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:06:20,406 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:06:20,406 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:06:20,406 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:06:20,408 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:20" (1/1) ... [2024-11-14 05:06:20,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:06:20,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:06:20,453 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:06:20,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:06:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:06:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:06:20,495 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:06:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:06:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:06:20,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:06:20,630 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:06:20,632 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:06:21,182 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-14 05:06:21,182 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:06:21,543 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:06:21,543 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:06:21,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:06:21 BoogieIcfgContainer [2024-11-14 05:06:21,544 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:06:21,549 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:06:21,549 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:06:21,554 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:06:21,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:06:19" (1/3) ... [2024-11-14 05:06:21,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35cfbc81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:06:21, skipping insertion in model container [2024-11-14 05:06:21,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:20" (2/3) ... [2024-11-14 05:06:21,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35cfbc81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:06:21, skipping insertion in model container [2024-11-14 05:06:21,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:06:21" (3/3) ... [2024-11-14 05:06:21,558 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-63.i [2024-11-14 05:06:21,575 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:06:21,578 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_100-while_file-63.i that has 2 procedures, 40 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:06:21,642 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:06:21,657 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@16bdbfea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:06:21,658 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:06:21,662 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 05:06:21,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-14 05:06:21,671 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:06:21,672 INFO L215 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:06:21,673 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:06:21,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:06:21,679 INFO L85 PathProgramCache]: Analyzing trace with hash -856849668, now seen corresponding path program 1 times [2024-11-14 05:06:21,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:06:21,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480581524] [2024-11-14 05:06:21,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:06:21,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:06:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:06:22,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1742326663] [2024-11-14 05:06:22,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:06:22,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:06:22,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:06:22,846 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:06:22,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 05:06:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:06:23,145 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:06:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:06:23,409 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:06:23,411 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:06:23,414 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:06:23,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 05:06:23,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 05:06:23,620 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:06:23,748 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:06:23,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:06:23 BoogieIcfgContainer [2024-11-14 05:06:23,751 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:06:23,752 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:06:23,752 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:06:23,753 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:06:23,753 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:06:21" (3/4) ... [2024-11-14 05:06:23,756 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:06:23,756 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:06:23,758 INFO L158 Benchmark]: Toolchain (without parser) took 4067.62ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 80.0MB in the end (delta: 11.5MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2024-11-14 05:06:23,758 INFO L158 Benchmark]: CDTParser took 2.51ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:06:23,760 INFO L158 Benchmark]: CACSL2BoogieTranslator took 541.01ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 75.0MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:06:23,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.00ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 69.0MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:06:23,760 INFO L158 Benchmark]: Boogie Preprocessor took 54.28ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 66.3MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:06:23,761 INFO L158 Benchmark]: RCFGBuilder took 1138.03ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 41.8MB in the end (delta: 24.5MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2024-11-14 05:06:23,762 INFO L158 Benchmark]: TraceAbstraction took 2202.81ms. Allocated memory is still 117.4MB. Free memory was 40.9MB in the beginning and 81.0MB in the end (delta: -40.1MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2024-11-14 05:06:23,763 INFO L158 Benchmark]: Witness Printer took 4.37ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 80.0MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:06:23,764 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.51ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 541.01ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 75.0MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.00ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 69.0MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.28ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 66.3MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1138.03ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 41.8MB in the end (delta: 24.5MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2202.81ms. Allocated memory is still 117.4MB. Free memory was 40.9MB in the beginning and 81.0MB in the end (delta: -40.1MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * Witness Printer took 4.37ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 80.0MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 138, overapproximation of bitwiseAnd at line 56, overapproximation of someBinaryDOUBLEComparisonOperation at line 173, overapproximation of someBinaryDOUBLEComparisonOperation at line 186, overapproximation of someBinaryDOUBLEComparisonOperation at line 171. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 4; [L23] unsigned char var_1_5 = 200; [L24] unsigned char var_1_6 = 4; [L25] unsigned char var_1_7 = 100; [L26] signed long int var_1_8 = -256; [L27] unsigned char var_1_9 = 1; [L28] unsigned char var_1_10 = 1; [L29] unsigned char var_1_11 = 0; [L30] unsigned char var_1_12 = 1; [L31] unsigned char var_1_13 = 200; [L32] signed char var_1_14 = 16; [L33] unsigned char var_1_15 = 0; [L34] unsigned char var_1_17 = 1; [L35] signed char var_1_18 = -25; [L36] signed short int var_1_19 = -10; [L37] unsigned char var_1_20 = 2; [L38] unsigned char var_1_22 = 32; [L39] unsigned char var_1_23 = 4; [L40] double var_1_24 = 128.6; [L41] double var_1_25 = 0.6; [L42] double var_1_26 = 99.375; [L43] signed short int var_1_27 = 1; [L44] unsigned long int var_1_29 = 128; [L45] unsigned char last_1_var_1_9 = 1; [L46] unsigned char last_1_var_1_12 = 1; [L47] unsigned char last_1_var_1_13 = 200; [L48] unsigned char last_1_var_1_15 = 0; [L49] signed char last_1_var_1_18 = -25; [L50] signed short int last_1_var_1_19 = -10; [L51] unsigned char last_1_var_1_20 = 2; [L52] signed short int last_1_var_1_27 = 1; [L190] isInitial = 1 [L191] FCALL initially() [L192] COND TRUE 1 [L193] CALL updateLastVariables() [L176] last_1_var_1_9 = var_1_9 [L177] last_1_var_1_12 = var_1_12 [L178] last_1_var_1_13 = var_1_13 [L179] last_1_var_1_15 = var_1_15 [L180] last_1_var_1_18 = var_1_18 [L181] last_1_var_1_19 = var_1_19 [L182] last_1_var_1_20 = var_1_20 [L183] last_1_var_1_27 = var_1_27 [L193] RET updateLastVariables() [L194] CALL updateVariables() [L143] var_1_5 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_5 >= 190) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=16, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=4, var_1_7=100, var_1_8=-256, var_1_9=1] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_5 >= 190) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=16, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=4, var_1_7=100, var_1_8=-256, var_1_9=1] [L145] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=16, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=4, var_1_7=100, var_1_8=-256, var_1_9=1] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=16, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=4, var_1_7=100, var_1_8=-256, var_1_9=1] [L146] var_1_6 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=16, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_7=100, var_1_8=-256, var_1_9=1] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=16, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_7=100, var_1_8=-256, var_1_9=1] [L148] CALL assume_abort_if_not(var_1_6 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=16, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=100, var_1_8=-256, var_1_9=1] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_6 <= 63) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=16, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=100, var_1_8=-256, var_1_9=1] [L149] var_1_7 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=16, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_8=-256, var_1_9=1] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=16, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_8=-256, var_1_9=1] [L151] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=16, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=16, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L152] var_1_10 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=16, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=16, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L154] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=16, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=16, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L155] var_1_11 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_12=1, var_1_13=200, var_1_14=16, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_12=1, var_1_13=200, var_1_14=16, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L157] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=16, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=16, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L158] var_1_14 = __VERIFIER_nondet_char() [L159] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=63, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=63, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L160] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=63, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=63, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L161] var_1_17 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=63, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=63, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L163] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=63, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=63, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L164] var_1_22 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_22 >= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=63, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_22 >= 32) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=63, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L166] CALL assume_abort_if_not(var_1_22 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=63, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_22 <= 64) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=63, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=4, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L167] var_1_23 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=63, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=63, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L169] CALL assume_abort_if_not(var_1_23 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=63, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=0, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_23 <= 32) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=63, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=0, var_1_24=643/5, var_1_25=3/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L170] var_1_25 = __VERIFIER_nondet_double() [L171] CALL assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=63, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=0, var_1_24=643/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=63, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=0, var_1_24=643/5, var_1_26=795/8, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L172] var_1_26 = __VERIFIER_nondet_double() [L173] CALL assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=63, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=0, var_1_24=643/5, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=200, var_1_14=63, var_1_15=0, var_1_17=1, var_1_18=-25, var_1_19=-10, var_1_1=4, var_1_20=2, var_1_22=32, var_1_23=0, var_1_24=643/5, var_1_27=1, var_1_29=128, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=-256, var_1_9=1] [L194] RET updateVariables() [L195] CALL step() [L56] var_1_10 || (var_1_5 < (last_1_var_1_27 & last_1_var_1_27)) [L56] COND TRUE var_1_10 || (var_1_5 < (last_1_var_1_27 & last_1_var_1_27)) [L57] COND FALSE !(last_1_var_1_18 >= (last_1_var_1_27 + (var_1_14 / var_1_5))) [L60] COND TRUE (~ last_1_var_1_27) > (var_1_7 - ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))) [L61] var_1_15 = (! (! (last_1_var_1_9 && var_1_11))) [L73] COND FALSE !(((last_1_var_1_19 / -2) <= last_1_var_1_13) && last_1_var_1_15) [L76] var_1_1 = (var_1_6 + var_1_7) [L78] unsigned char stepLocal_4 = last_1_var_1_13 < var_1_5; [L79] COND TRUE (last_1_var_1_12 > -4) || stepLocal_4 [L80] var_1_19 = last_1_var_1_20 [L82] COND FALSE !(\read(var_1_15)) [L85] var_1_8 = (25 + var_1_6) [L87] COND FALSE !(\read(var_1_11)) [L90] COND FALSE !(\read(var_1_11)) [L97] COND TRUE var_1_1 <= var_1_5 [L98] var_1_20 = var_1_6 [L101] signed char stepLocal_5 = var_1_14; [L102] COND FALSE !(var_1_22 > stepLocal_5) [L105] var_1_27 = (((((var_1_5) > ((var_1_6 + var_1_12))) ? (var_1_5) : ((var_1_6 + var_1_12)))) - var_1_14) [L107] signed short int stepLocal_1 = var_1_27; [L108] COND TRUE \read(var_1_10) [L109] var_1_13 = var_1_7 [L117] unsigned char stepLocal_3 = var_1_1; [L118] signed long int stepLocal_2 = var_1_5 ^ 1; [L119] COND TRUE stepLocal_2 >= (~ -8) [L120] var_1_18 = var_1_6 [L126] signed long int stepLocal_6 = (var_1_18 / var_1_22) / var_1_5; [L127] COND TRUE var_1_13 <= stepLocal_6 [L128] var_1_29 = var_1_19 [L130] unsigned char stepLocal_0 = var_1_15; [L131] COND FALSE !((var_1_18 < var_1_1) && stepLocal_0) [L134] var_1_9 = (! var_1_11) [L136] COND TRUE var_1_7 <= var_1_22 [L137] COND TRUE \read(var_1_9) [L138] var_1_24 = (var_1_25 + var_1_26) [L195] RET step() [L196] CALL, EXPR property() [L186] EXPR ((((((((last_1_var_1_19 / -2) <= last_1_var_1_13) && last_1_var_1_15) ? (var_1_1 == ((unsigned char) ((var_1_5 - var_1_6) - var_1_7))) : (var_1_1 == ((unsigned char) (var_1_6 + var_1_7)))) && (var_1_15 ? (var_1_8 == ((signed long int) ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))))) : (var_1_8 == ((signed long int) (25 + var_1_6))))) && (((var_1_18 < var_1_1) && var_1_15) ? (var_1_9 == ((unsigned char) ((var_1_18 > var_1_1) || var_1_10))) : (var_1_9 == ((unsigned char) (! var_1_11))))) && (var_1_11 ? (var_1_12 == ((unsigned char) var_1_6)) : 1)) && (var_1_10 ? (var_1_13 == ((unsigned char) var_1_7)) : ((((var_1_6 + var_1_14) - var_1_7) >= var_1_27) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))))) && ((var_1_10 || (var_1_5 < (last_1_var_1_27 & last_1_var_1_27))) ? ((last_1_var_1_18 >= (last_1_var_1_27 + (var_1_14 / var_1_5))) ? (var_1_15 == ((unsigned char) (! var_1_11))) : (((~ last_1_var_1_27) > (var_1_7 - ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6))))) ? (var_1_15 == ((unsigned char) (! (! (last_1_var_1_9 && var_1_11))))) : (var_1_15 == ((unsigned char) (! var_1_11))))) : (var_1_11 ? (var_1_15 == ((unsigned char) var_1_17)) : (var_1_15 == ((unsigned char) var_1_17)))) [L186] EXPR var_1_10 || (var_1_5 < (last_1_var_1_27 & last_1_var_1_27)) [L186] EXPR ((((((((last_1_var_1_19 / -2) <= last_1_var_1_13) && last_1_var_1_15) ? (var_1_1 == ((unsigned char) ((var_1_5 - var_1_6) - var_1_7))) : (var_1_1 == ((unsigned char) (var_1_6 + var_1_7)))) && (var_1_15 ? (var_1_8 == ((signed long int) ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))))) : (var_1_8 == ((signed long int) (25 + var_1_6))))) && (((var_1_18 < var_1_1) && var_1_15) ? (var_1_9 == ((unsigned char) ((var_1_18 > var_1_1) || var_1_10))) : (var_1_9 == ((unsigned char) (! var_1_11))))) && (var_1_11 ? (var_1_12 == ((unsigned char) var_1_6)) : 1)) && (var_1_10 ? (var_1_13 == ((unsigned char) var_1_7)) : ((((var_1_6 + var_1_14) - var_1_7) >= var_1_27) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))))) && ((var_1_10 || (var_1_5 < (last_1_var_1_27 & last_1_var_1_27))) ? ((last_1_var_1_18 >= (last_1_var_1_27 + (var_1_14 / var_1_5))) ? (var_1_15 == ((unsigned char) (! var_1_11))) : (((~ last_1_var_1_27) > (var_1_7 - ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6))))) ? (var_1_15 == ((unsigned char) (! (! (last_1_var_1_9 && var_1_11))))) : (var_1_15 == ((unsigned char) (! var_1_11))))) : (var_1_11 ? (var_1_15 == ((unsigned char) var_1_17)) : (var_1_15 == ((unsigned char) var_1_17)))) [L186-L187] return ((((((((((((((last_1_var_1_19 / -2) <= last_1_var_1_13) && last_1_var_1_15) ? (var_1_1 == ((unsigned char) ((var_1_5 - var_1_6) - var_1_7))) : (var_1_1 == ((unsigned char) (var_1_6 + var_1_7)))) && (var_1_15 ? (var_1_8 == ((signed long int) ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))))) : (var_1_8 == ((signed long int) (25 + var_1_6))))) && (((var_1_18 < var_1_1) && var_1_15) ? (var_1_9 == ((unsigned char) ((var_1_18 > var_1_1) || var_1_10))) : (var_1_9 == ((unsigned char) (! var_1_11))))) && (var_1_11 ? (var_1_12 == ((unsigned char) var_1_6)) : 1)) && (var_1_10 ? (var_1_13 == ((unsigned char) var_1_7)) : ((((var_1_6 + var_1_14) - var_1_7) >= var_1_27) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))))) && ((var_1_10 || (var_1_5 < (last_1_var_1_27 & last_1_var_1_27))) ? ((last_1_var_1_18 >= (last_1_var_1_27 + (var_1_14 / var_1_5))) ? (var_1_15 == ((unsigned char) (! var_1_11))) : (((~ last_1_var_1_27) > (var_1_7 - ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6))))) ? (var_1_15 == ((unsigned char) (! (! (last_1_var_1_9 && var_1_11))))) : (var_1_15 == ((unsigned char) (! var_1_11))))) : (var_1_11 ? (var_1_15 == ((unsigned char) var_1_17)) : (var_1_15 == ((unsigned char) var_1_17))))) && (((var_1_5 ^ 1) >= (~ -8)) ? (var_1_18 == ((signed char) var_1_6)) : ((var_1_1 == var_1_20) ? (var_1_18 == ((signed char) var_1_14)) : 1))) && (((last_1_var_1_12 > -4) || (last_1_var_1_13 < var_1_5)) ? (var_1_19 == ((signed short int) last_1_var_1_20)) : 1)) && (var_1_11 ? (((var_1_19 >= var_1_19) || (var_1_19 >= ((((var_1_5) > (var_1_1)) ? (var_1_5) : (var_1_1))))) ? (var_1_20 == ((unsigned char) (var_1_7 + var_1_6))) : (var_1_20 == ((unsigned char) (var_1_6 + ((var_1_22 - var_1_23) + var_1_14))))) : ((var_1_1 <= var_1_5) ? (var_1_20 == ((unsigned char) var_1_6)) : 1))) && ((var_1_7 <= var_1_22) ? (var_1_9 ? (var_1_24 == ((double) (var_1_25 + var_1_26))) : 1) : 1)) && ((var_1_22 > var_1_14) ? (var_1_27 == ((signed short int) var_1_19)) : (var_1_27 == ((signed short int) (((((var_1_5) > ((var_1_6 + var_1_12))) ? (var_1_5) : ((var_1_6 + var_1_12)))) - var_1_14))))) && ((var_1_13 <= ((var_1_18 / var_1_22) / var_1_5)) ? (var_1_29 == ((unsigned long int) var_1_19)) : 1) ; [L196] RET, EXPR property() [L196] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=256, var_1_14=63, var_1_15=0, var_1_17=1, var_1_18=63, var_1_19=2, var_1_1=63, var_1_20=63, var_1_22=32, var_1_23=0, var_1_24=0, var_1_27=127, var_1_29=2, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=88, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_13=200, last_1_var_1_15=0, last_1_var_1_18=-25, last_1_var_1_19=-10, last_1_var_1_20=2, last_1_var_1_27=1, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=256, var_1_14=63, var_1_15=0, var_1_17=1, var_1_18=63, var_1_19=2, var_1_1=63, var_1_20=63, var_1_22=32, var_1_23=0, var_1_24=0, var_1_27=127, var_1_29=2, var_1_5=-322, var_1_6=63, var_1_7=256, var_1_8=88, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 1, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 05:06:23,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e08b130d986262ceb0772f034a60f5b23796cc6f800ada70e6af5834a62fdc07 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:06:26,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:06:26,427 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 05:06:26,443 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:06:26,446 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:06:26,502 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:06:26,504 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:06:26,504 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:06:26,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:06:26,505 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:06:26,505 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:06:26,506 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:06:26,506 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:06:26,506 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:06:26,506 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:06:26,506 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:06:26,507 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:06:26,507 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:06:26,507 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:06:26,508 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:06:26,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:06:26,508 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:06:26,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:06:26,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:06:26,508 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:06:26,508 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:06:26,508 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:06:26,509 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:06:26,509 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:06:26,509 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:06:26,509 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:06:26,509 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:06:26,509 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:06:26,510 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:06:26,510 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:06:26,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:06:26,511 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:06:26,511 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:06:26,511 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:06:26,511 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:06:26,511 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:06:26,511 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:06:26,511 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:06:26,511 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e08b130d986262ceb0772f034a60f5b23796cc6f800ada70e6af5834a62fdc07 [2024-11-14 05:06:26,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:06:26,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:06:26,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:06:26,853 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:06:26,854 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:06:26,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-63.i Unable to find full path for "g++" [2024-11-14 05:06:28,754 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:06:29,063 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:06:29,064 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-63.i [2024-11-14 05:06:29,073 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/data/1cf0547a9/3abcacff109b4f78b85e95f1345f6d5c/FLAGb37638b65 [2024-11-14 05:06:29,097 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/data/1cf0547a9/3abcacff109b4f78b85e95f1345f6d5c [2024-11-14 05:06:29,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:06:29,102 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:06:29,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:06:29,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:06:29,113 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:06:29,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:06:29" (1/1) ... [2024-11-14 05:06:29,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72c6d65f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:29, skipping insertion in model container [2024-11-14 05:06:29,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:06:29" (1/1) ... [2024-11-14 05:06:29,148 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:06:29,323 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-63.i[916,929] [2024-11-14 05:06:29,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:06:29,466 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:06:29,480 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-63.i[916,929] [2024-11-14 05:06:29,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:06:29,554 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:06:29,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:29 WrapperNode [2024-11-14 05:06:29,555 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:06:29,556 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:06:29,556 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:06:29,556 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:06:29,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:29" (1/1) ... [2024-11-14 05:06:29,576 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:29" (1/1) ... [2024-11-14 05:06:29,607 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 177 [2024-11-14 05:06:29,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:06:29,608 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:06:29,608 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:06:29,608 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:06:29,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:29" (1/1) ... [2024-11-14 05:06:29,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:29" (1/1) ... [2024-11-14 05:06:29,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:29" (1/1) ... [2024-11-14 05:06:29,626 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:29" (1/1) ... [2024-11-14 05:06:29,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:29" (1/1) ... [2024-11-14 05:06:29,642 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:29" (1/1) ... [2024-11-14 05:06:29,645 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:29" (1/1) ... [2024-11-14 05:06:29,650 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:29" (1/1) ... [2024-11-14 05:06:29,660 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:06:29,661 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:06:29,661 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:06:29,661 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:06:29,662 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:29" (1/1) ... [2024-11-14 05:06:29,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:06:29,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:06:29,697 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:06:29,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:06:29,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:06:29,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:06:29,727 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:06:29,728 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:06:29,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:06:29,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:06:29,822 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:06:29,824 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:06:30,645 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-14 05:06:30,647 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:06:30,659 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:06:30,660 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:06:30,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:06:30 BoogieIcfgContainer [2024-11-14 05:06:30,660 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:06:30,663 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:06:30,663 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:06:30,668 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:06:30,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:06:29" (1/3) ... [2024-11-14 05:06:30,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@576f0b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:06:30, skipping insertion in model container [2024-11-14 05:06:30,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:29" (2/3) ... [2024-11-14 05:06:30,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@576f0b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:06:30, skipping insertion in model container [2024-11-14 05:06:30,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:06:30" (3/3) ... [2024-11-14 05:06:30,671 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-63.i [2024-11-14 05:06:30,687 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:06:30,688 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_100-while_file-63.i that has 2 procedures, 76 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:06:30,768 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:06:30,784 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@70277e81, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:06:30,784 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:06:30,788 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 05:06:30,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-14 05:06:30,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:06:30,806 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:06:30,807 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:06:30,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:06:30,813 INFO L85 PathProgramCache]: Analyzing trace with hash -365029648, now seen corresponding path program 1 times [2024-11-14 05:06:30,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:06:30,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [876528122] [2024-11-14 05:06:30,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:06:30,828 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:06:30,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:06:30,831 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:06:30,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 05:06:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:06:31,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 05:06:31,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:06:31,285 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-14 05:06:31,285 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:06:31,286 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:06:31,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [876528122] [2024-11-14 05:06:31,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [876528122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:06:31,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:06:31,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:06:31,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829047315] [2024-11-14 05:06:31,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:06:31,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:06:31,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:06:31,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:06:31,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:06:31,314 INFO L87 Difference]: Start difference. First operand has 76 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-14 05:06:31,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:06:31,342 INFO L93 Difference]: Finished difference Result 145 states and 250 transitions. [2024-11-14 05:06:31,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:06:31,344 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 140 [2024-11-14 05:06:31,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:06:31,350 INFO L225 Difference]: With dead ends: 145 [2024-11-14 05:06:31,350 INFO L226 Difference]: Without dead ends: 72 [2024-11-14 05:06:31,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:06:31,356 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:06:31,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:06:31,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-14 05:06:31,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-14 05:06:31,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 50 states have (on average 1.38) internal successors, (69), 50 states have internal predecessors, (69), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 05:06:31,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 109 transitions. [2024-11-14 05:06:31,402 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 109 transitions. Word has length 140 [2024-11-14 05:06:31,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:06:31,403 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 109 transitions. [2024-11-14 05:06:31,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-14 05:06:31,404 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 109 transitions. [2024-11-14 05:06:31,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-14 05:06:31,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:06:31,406 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:06:31,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 05:06:31,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:06:31,607 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:06:31,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:06:31,608 INFO L85 PathProgramCache]: Analyzing trace with hash 843597806, now seen corresponding path program 1 times [2024-11-14 05:06:31,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:06:31,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [667194205] [2024-11-14 05:06:31,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:06:31,609 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:06:31,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:06:31,614 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:06:31,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 05:06:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:06:32,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-14 05:06:32,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:06:34,966 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 382 proven. 81 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-14 05:06:34,967 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:06:35,995 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:06:35,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [667194205] [2024-11-14 05:06:35,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [667194205] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:06:35,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [151932017] [2024-11-14 05:06:35,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:06:35,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 05:06:35,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 05:06:36,000 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 05:06:36,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-14 05:06:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:06:36,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:06:36,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:06:36,977 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-14 05:06:36,977 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:06:36,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [151932017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:06:36,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 05:06:36,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 11 [2024-11-14 05:06:36,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3836081] [2024-11-14 05:06:36,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:06:36,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:06:36,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:06:36,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:06:36,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-14 05:06:36,984 INFO L87 Difference]: Start difference. First operand 72 states and 109 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 05:06:38,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:06:38,297 INFO L93 Difference]: Finished difference Result 260 states and 395 transitions. [2024-11-14 05:06:38,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:06:38,312 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 140 [2024-11-14 05:06:38,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:06:38,315 INFO L225 Difference]: With dead ends: 260 [2024-11-14 05:06:38,315 INFO L226 Difference]: Without dead ends: 191 [2024-11-14 05:06:38,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-14 05:06:38,317 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 141 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:06:38,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 371 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-14 05:06:38,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-14 05:06:38,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 136. [2024-11-14 05:06:38,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 93 states have (on average 1.3870967741935485) internal successors, (129), 93 states have internal predecessors, (129), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-14 05:06:38,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 209 transitions. [2024-11-14 05:06:38,345 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 209 transitions. Word has length 140 [2024-11-14 05:06:38,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:06:38,346 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 209 transitions. [2024-11-14 05:06:38,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 05:06:38,346 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 209 transitions. [2024-11-14 05:06:38,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-14 05:06:38,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:06:38,348 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:06:38,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-14 05:06:38,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 05:06:38,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:06:38,749 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:06:38,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:06:38,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1062452524, now seen corresponding path program 1 times [2024-11-14 05:06:38,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:06:38,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [98234937] [2024-11-14 05:06:38,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:06:38,751 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:06:38,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:06:38,753 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:06:38,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-14 05:06:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:06:39,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-14 05:06:39,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:06:41,382 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 382 proven. 81 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-14 05:06:41,382 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:06:42,130 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:06:42,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [98234937] [2024-11-14 05:06:42,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [98234937] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:06:42,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [318266357] [2024-11-14 05:06:42,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:06:42,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 05:06:42,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 05:06:42,133 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 05:06:42,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-14 05:06:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:06:42,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 05:06:42,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:06:42,707 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-14 05:06:42,708 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:06:42,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [318266357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:06:42,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 05:06:42,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 12 [2024-11-14 05:06:42,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031998251] [2024-11-14 05:06:42,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:06:42,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:06:42,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:06:42,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:06:42,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-14 05:06:42,711 INFO L87 Difference]: Start difference. First operand 136 states and 209 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 05:06:43,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:06:43,101 INFO L93 Difference]: Finished difference Result 394 states and 598 transitions. [2024-11-14 05:06:43,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:06:43,102 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 140 [2024-11-14 05:06:43,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:06:43,104 INFO L225 Difference]: With dead ends: 394 [2024-11-14 05:06:43,105 INFO L226 Difference]: Without dead ends: 261 [2024-11-14 05:06:43,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-14 05:06:43,107 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 158 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 05:06:43,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 252 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 05:06:43,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-14 05:06:43,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 219. [2024-11-14 05:06:43,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 158 states have (on average 1.3924050632911393) internal successors, (220), 160 states have internal predecessors, (220), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 54 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-14 05:06:43,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 332 transitions. [2024-11-14 05:06:43,154 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 332 transitions. Word has length 140 [2024-11-14 05:06:43,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:06:43,154 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 332 transitions. [2024-11-14 05:06:43,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 05:06:43,154 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 332 transitions. [2024-11-14 05:06:43,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-14 05:06:43,161 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:06:43,161 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:06:43,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-14 05:06:43,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-14 05:06:43,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 05:06:43,562 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:06:43,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:06:43,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1515544682, now seen corresponding path program 1 times [2024-11-14 05:06:43,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:06:43,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2049884225] [2024-11-14 05:06:43,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:06:43,563 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:06:43,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:06:43,566 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:06:43,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-14 05:06:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:06:43,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-14 05:06:43,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:06:45,658 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 382 proven. 81 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-14 05:06:45,658 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:06:46,520 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:06:46,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2049884225] [2024-11-14 05:06:46,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2049884225] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:06:46,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1798702291] [2024-11-14 05:06:46,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:06:46,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 05:06:46,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 05:06:46,523 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 05:06:46,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-14 05:06:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:06:47,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-14 05:06:47,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:06:49,094 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 382 proven. 81 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-14 05:06:49,095 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:06:49,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1798702291] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:06:49,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218883353] [2024-11-14 05:06:49,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:06:49,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:06:49,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:06:49,763 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:06:49,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-14 05:06:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:06:49,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-14 05:06:49,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:06:51,501 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 382 proven. 81 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-14 05:06:51,501 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:06:52,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218883353] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:06:52,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:06:52,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 9 [2024-11-14 05:06:52,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219024313] [2024-11-14 05:06:52,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 05:06:52,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 05:06:52,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:06:52,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 05:06:52,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-14 05:06:52,088 INFO L87 Difference]: Start difference. First operand 219 states and 332 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-14 05:06:54,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:06:54,040 INFO L93 Difference]: Finished difference Result 590 states and 888 transitions. [2024-11-14 05:06:54,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-14 05:06:54,054 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 140 [2024-11-14 05:06:54,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:06:54,059 INFO L225 Difference]: With dead ends: 590 [2024-11-14 05:06:54,059 INFO L226 Difference]: Without dead ends: 374 [2024-11-14 05:06:54,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 656 GetRequests, 635 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=173, Invalid=333, Unknown=0, NotChecked=0, Total=506 [2024-11-14 05:06:54,061 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 136 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-14 05:06:54,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 454 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-14 05:06:54,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-14 05:06:54,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 266. [2024-11-14 05:06:54,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 182 states have (on average 1.3461538461538463) internal successors, (245), 184 states have internal predecessors, (245), 76 states have call successors, (76), 7 states have call predecessors, (76), 7 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-14 05:06:54,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 397 transitions. [2024-11-14 05:06:54,129 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 397 transitions. Word has length 140 [2024-11-14 05:06:54,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:06:54,130 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 397 transitions. [2024-11-14 05:06:54,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-14 05:06:54,130 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 397 transitions. [2024-11-14 05:06:54,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-14 05:06:54,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:06:54,132 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:06:54,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-14 05:06:54,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-14 05:06:54,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-14 05:06:54,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 05:06:54,733 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:06:54,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:06:54,734 INFO L85 PathProgramCache]: Analyzing trace with hash -806566196, now seen corresponding path program 1 times [2024-11-14 05:06:54,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:06:54,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [583112076] [2024-11-14 05:06:54,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:06:54,735 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:06:54,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:06:54,737 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:06:54,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-14 05:06:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:06:55,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:06:55,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:06:55,297 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 343 proven. 39 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-14 05:06:55,297 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:06:55,599 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 18 proven. 39 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-14 05:06:55,599 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:06:55,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [583112076] [2024-11-14 05:06:55,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [583112076] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:06:55,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1263217128] [2024-11-14 05:06:55,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:06:55,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 05:06:55,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 05:06:55,601 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 05:06:55,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-14 05:06:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:06:55,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 05:06:55,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:06:55,937 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-14 05:06:55,937 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:06:55,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1263217128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:06:55,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 05:06:55,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 8 [2024-11-14 05:06:55,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542339070] [2024-11-14 05:06:55,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:06:55,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:06:55,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:06:55,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:06:55,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-14 05:06:55,939 INFO L87 Difference]: Start difference. First operand 266 states and 397 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 05:06:56,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:06:56,204 INFO L93 Difference]: Finished difference Result 617 states and 920 transitions. [2024-11-14 05:06:56,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:06:56,205 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 140 [2024-11-14 05:06:56,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:06:56,208 INFO L225 Difference]: With dead ends: 617 [2024-11-14 05:06:56,209 INFO L226 Difference]: Without dead ends: 401 [2024-11-14 05:06:56,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 410 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-14 05:06:56,210 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 51 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:06:56,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 243 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:06:56,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-11-14 05:06:56,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 395. [2024-11-14 05:06:56,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 283 states have (on average 1.3568904593639577) internal successors, (384), 289 states have internal predecessors, (384), 100 states have call successors, (100), 11 states have call predecessors, (100), 11 states have return successors, (100), 94 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-14 05:06:56,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 584 transitions. [2024-11-14 05:06:56,258 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 584 transitions. Word has length 140 [2024-11-14 05:06:56,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:06:56,259 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 584 transitions. [2024-11-14 05:06:56,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 05:06:56,259 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 584 transitions. [2024-11-14 05:06:56,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-14 05:06:56,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:06:56,261 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:06:56,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2024-11-14 05:06:56,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-14 05:06:56,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 05:06:56,662 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:06:56,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:06:56,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1595176279, now seen corresponding path program 1 times [2024-11-14 05:06:56,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:06:56,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2104177907] [2024-11-14 05:06:56,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:06:56,663 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:06:56,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:06:56,665 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:06:56,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-14 05:06:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:06:56,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 05:06:56,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:06:57,206 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 397 proven. 30 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-11-14 05:06:57,207 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:06:57,547 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 27 proven. 30 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-14 05:06:57,547 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:06:57,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2104177907] [2024-11-14 05:06:57,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2104177907] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:06:57,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1884316080] [2024-11-14 05:06:57,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:06:57,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 05:06:57,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 05:06:57,549 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 05:06:57,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-14 05:06:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:06:58,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 05:06:58,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:06:58,582 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 397 proven. 30 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-11-14 05:06:58,582 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:06:58,842 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 27 proven. 30 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-14 05:06:58,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1884316080] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:06:58,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389027278] [2024-11-14 05:06:58,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:06:58,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:06:58,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:06:58,845 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:06:58,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-14 05:06:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:06:58,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:06:58,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:06:59,261 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 397 proven. 30 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-11-14 05:06:59,262 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:06:59,572 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 27 proven. 30 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-14 05:06:59,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389027278] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:06:59,572 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 05:06:59,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 5, 5, 5, 5] total 8 [2024-11-14 05:06:59,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303387588] [2024-11-14 05:06:59,573 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 05:06:59,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-14 05:06:59,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:06:59,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-14 05:06:59,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-14 05:06:59,575 INFO L87 Difference]: Start difference. First operand 395 states and 584 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-14 05:07:01,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:07:01,081 INFO L93 Difference]: Finished difference Result 744 states and 1081 transitions. [2024-11-14 05:07:01,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-14 05:07:01,083 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 141 [2024-11-14 05:07:01,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:07:01,086 INFO L225 Difference]: With dead ends: 744 [2024-11-14 05:07:01,087 INFO L226 Difference]: Without dead ends: 399 [2024-11-14 05:07:01,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 852 GetRequests, 832 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2024-11-14 05:07:01,089 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 228 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:07:01,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 287 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-14 05:07:01,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-11-14 05:07:01,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 371. [2024-11-14 05:07:01,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 262 states have (on average 1.297709923664122) internal successors, (340), 267 states have internal predecessors, (340), 94 states have call successors, (94), 14 states have call predecessors, (94), 14 states have return successors, (94), 89 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-14 05:07:01,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 528 transitions. [2024-11-14 05:07:01,130 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 528 transitions. Word has length 141 [2024-11-14 05:07:01,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:07:01,131 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 528 transitions. [2024-11-14 05:07:01,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-14 05:07:01,131 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 528 transitions. [2024-11-14 05:07:01,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-14 05:07:01,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:07:01,133 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:07:01,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-14 05:07:01,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-14 05:07:01,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-14 05:07:01,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 05:07:01,734 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:07:01,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:07:01,735 INFO L85 PathProgramCache]: Analyzing trace with hash 359324695, now seen corresponding path program 1 times [2024-11-14 05:07:01,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:07:01,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [7643326] [2024-11-14 05:07:01,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:07:01,735 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:07:01,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:07:01,738 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:07:01,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-14 05:07:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:07:01,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 05:07:01,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:07:02,374 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 397 proven. 30 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-11-14 05:07:02,374 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:07:02,817 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 27 proven. 30 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-14 05:07:02,818 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:07:02,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [7643326] [2024-11-14 05:07:02,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [7643326] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:07:02,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [859929262] [2024-11-14 05:07:02,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:07:02,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 05:07:02,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 05:07:02,820 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 05:07:02,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-14 05:07:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:07:03,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:07:03,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:07:03,280 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-14 05:07:03,280 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:07:03,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [859929262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:07:03,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 05:07:03,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7, 7] total 9 [2024-11-14 05:07:03,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362118635] [2024-11-14 05:07:03,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:07:03,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:07:03,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:07:03,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:07:03,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-14 05:07:03,282 INFO L87 Difference]: Start difference. First operand 371 states and 528 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 05:07:03,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:07:03,942 INFO L93 Difference]: Finished difference Result 690 states and 986 transitions. [2024-11-14 05:07:03,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:07:03,944 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 141 [2024-11-14 05:07:03,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:07:03,948 INFO L225 Difference]: With dead ends: 690 [2024-11-14 05:07:03,948 INFO L226 Difference]: Without dead ends: 373 [2024-11-14 05:07:03,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 412 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-14 05:07:03,951 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 82 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 05:07:03,951 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 317 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 05:07:03,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-11-14 05:07:03,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 371. [2024-11-14 05:07:03,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 262 states have (on average 1.282442748091603) internal successors, (336), 267 states have internal predecessors, (336), 94 states have call successors, (94), 14 states have call predecessors, (94), 14 states have return successors, (94), 89 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-14 05:07:03,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 524 transitions. [2024-11-14 05:07:04,000 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 524 transitions. Word has length 141 [2024-11-14 05:07:04,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:07:04,001 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 524 transitions. [2024-11-14 05:07:04,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 05:07:04,002 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 524 transitions. [2024-11-14 05:07:04,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-14 05:07:04,004 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:07:04,004 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:07:04,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-14 05:07:04,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2024-11-14 05:07:04,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:07:04,405 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:07:04,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:07:04,406 INFO L85 PathProgramCache]: Analyzing trace with hash 416582997, now seen corresponding path program 1 times [2024-11-14 05:07:04,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:07:04,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2011396023] [2024-11-14 05:07:04,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:07:04,407 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:07:04,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:07:04,412 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:07:04,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02655bfd-81b3-47a5-811e-0a927c76a1ba/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-14 05:07:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:07:04,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-14 05:07:04,733 INFO L278 TraceCheckSpWp]: Computing forward predicates...